JP2703843B2 - Detector of broken position of feedback resistance of mod roll motor - Google Patents
Detector of broken position of feedback resistance of mod roll motorInfo
- Publication number
- JP2703843B2 JP2703843B2 JP32628691A JP32628691A JP2703843B2 JP 2703843 B2 JP2703843 B2 JP 2703843B2 JP 32628691 A JP32628691 A JP 32628691A JP 32628691 A JP32628691 A JP 32628691A JP 2703843 B2 JP2703843 B2 JP 2703843B2
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- potentiometer
- power supply
- circuit power
- disconnection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Control Of Electric Motors In General (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明はモジュトロールモータ
のフィードバック抵抗の断線位置検出装置に関する。BACKGROUND OF THE INVENTION The present invention relates to a modular motor.
And a disconnection position detecting device for the feedback resistor .
【０００２】[0002]
【従来の技術】従来の技術ではモジュトロールモータの
フィードバック抵抗に断線が生じた場合、モジュトロー
ルモータの回路を一旦電源から切り離し、この状態でテ
スター等により調査する必要があり、モジュトロールモ
ータのフィードバック抵抗の断線位置を自動的に検出す
ることが極めて難しかった。 Of module troll motor 2. Description of the Prior Art A conventional technology
If the feedback resistance breaks, it is necessary to disconnect the module roll motor circuit from the power supply and investigate with a tester or the like in this state.It is extremely difficult to automatically detect the break position of the feedback resistance of the module roll motor. was difficult.
【０００３】このため、モジュトロールモータのフィー
ドバック抵抗が断線した際速やかに、モジュトロールモ
ータの出力を固定することが出来ず、モジュトロールモ
ータが異常動作をするという欠点があった。[0003] Therefore, quickly when the feedback resistance of the Modulation trawl motor is disconnected, it is not possible to fix the output of the module trawl motor, module trawl motor has a drawback that the abnormal operation.
【０００４】[0004]
【発明が解決しようとする課題】この発明は、上記した
点に鑑みてなされたものであり、その目的とするところ
は、モジュトロールモータのフィードバック抵抗に断線
があった場合、速やかに、その断線を検出すると共にそ
の断線位置を検出し、以って、モジュトロールモータの
異常動作を防止するようにしたモジュトロールモータの
フィードバック抵抗の断線位置検出装置を提供すること
にある。SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and an object of the present invention is to quickly disconnect a feedback resistance of a mod-roll motor when the feedback resistance is broken. And the position of the disconnection is detected, thereby preventing the abnormal operation of the module roll motor .
It is an object of the present invention to provide an apparatus for detecting a breakage position of a feedback resistor .
【０００５】[0005]
【課題を解決するための手段】この発明に係るモジュト
ロールモータのフィードバック抵抗の断線位置検出装置
は、モジュトロールモータのフィードバック用ポテンシ
ョ抵抗器の断線位置を検出する装置であって、回路電源
と、差動増幅器と、この差動増幅器の基準電圧と、ポテ
ンショ抵抗器の第１の端子と回路電源の一方の電極間に
設けた第１の抵抗器と、ポテンショ抵抗器の第２の端子
と回路電源の他方の電極間に設けた第２の抵抗器と、回
路電源の電極間に設けた直列接続の第３及び第４の抵抗
器とからなり、ポテンショ抵抗器の摺動子端子を第３及
び第４の抵抗器の接続線路に接続すると共に、この接続
線路の電位を差動増幅器に導く様に構成し、第１の抵抗
器、第２の抵抗器、第３の抵抗器、及び第４の抵抗器の
抵抗値は、ポテンショ抵抗器の断線状態および断線位置
を検出可能に設定したものである。 Means for Solving the Problems] disconnection position detecting device of the feedback resistor module trawl motor according to the present invention, potentiometer for feedback module trawl motor
An apparatus for detecting a disconnection position of a potentiometer , comprising: a circuit power supply; a differential amplifier; a reference voltage of the differential amplifier; and a first terminal of the potentiometer resistor and one electrode of the circuit power supply. A first resistor, a second resistor provided between the second terminal of the potentiometer resistor and the other electrode of the circuit power supply, and third and fourth series-connected capacitors provided between the electrodes of the circuit power supply. The first and second resistors are connected to the connection terminals of the third and fourth resistors, and the potential of the connection lines is led to the differential amplifier . Resistance
Of the second resistor, the third resistor, and the fourth resistor.
The resistance value indicates the disconnection state and disconnection position of the potentiometer resistor.
Is set to be detectable.
【０００６】[0006]
【実施例】この発明に係るモジュトロールモータのフィ
ードバック抵抗の断線位置検出装置の実施例を図１及び
図２に基づき説明する。EXAMPLES Fi of module trawl motor according to the present invention
An embodiment of a device for detecting a disconnection position of a feedback resistor will be described with reference to FIGS.
【０００７】図中、１は電圧Ｅを供給する回路電源、２
はオペアンプ、Ｒ１、Ｒ２は回路電源１によりオペアン
プ２の基準電圧Ｖｒｅｆを得るために設けた抵抗器、Ｒ
３、Ｒ４は回路電源１に直列に接続した抵抗器、ＶＲは
モジュトロールモータの三線式フィードバック回路のポ
テンショ抵抗器、ｒ１はポテンショ抵抗器ＶＲの一方の
端子と回路電源１の一方の電極ｇ間に設けた抵抗器、ｒ
２はポテンショ抵抗器ＶＲの他方の端子と回路電源１の
他方の電極ｅ間に設けた抵抗器である。In FIG. 1, reference numeral 1 denotes a circuit power supply for supplying a voltage E;
Is an operational amplifier, R1 and R2 are resistors provided for obtaining a reference voltage Vref of the operational amplifier 2 by the circuit power supply 1,
3, R4 is a resistor connected in series with the circuit power supply 1, VR is a potentiometer resistor of a three-wire feedback circuit of the mod-roll motor, and r1 is between one terminal of the potentiometer VR and one electrode g of the circuit power supply 1. The resistor provided in
Reference numeral 2 denotes a resistor provided between the other terminal of the potentiometer VR and the other electrode e of the circuit power supply 1.
【０００８】そして、抵抗器Ｒ１及び抵抗器Ｒ２の接続
線路の電圧をオペアンプ２の一方の入力端子２ａに導く
と共に、ポテンショ抵抗器ＶＲの摺動端子を抵抗器Ｒ
３、Ｒ４の接続線路Ｊに結線し、接続線路Ｊの電圧をオ
ペアンプ２の他方の入力端子２ｂに導く様に構成してい
る。Then, the voltage of the connection line between the resistor R1 and the resistor R2 is led to one input terminal 2a of the operational amplifier 2, and the sliding terminal of the potentiometer VR is connected to the resistor R.
3, the connection line J of R4 is connected, and the voltage of the connection line J is guided to the other input terminal 2b of the operational amplifier 2.
【０００９】そして、入力端子２ａの基準電圧Ｖｒｅｆ
に対する入力端子２ｂの電圧Ｖｉｎに基づき、図示して
いないモジュトロールモータの出力を制御したり、或い
は、所定の警報を出力するようになっている。Then, the reference voltage Vref of the input terminal 2a is
Is controlled based on the voltage Vin of the input terminal 2b with respect to the input terminal 2b, or a predetermined alarm is output.
【００１０】次に、断線位置に応じたオペアンプ２の入
力端子２ｂの電圧Ｖｉｎについて説明する。Next, the voltage Vin of the input terminal 2b of the operational amplifier 2 according to the disconnection position will be described.
【００１１】なお、抵抗器Ｒ１、Ｒ２、Ｒ３、Ｒ４、ｒ
１、ｒ２、ポテンショ抵抗器ＶＲのそれぞれの抵抗値を
Ｒ１、Ｒ２、Ｒ３、Ｒ４、ｒ１、ｒ２、ＶＲとし、ポテ
ンショ抵抗器ＶＲの一方の端子（Ｙライン側）と摺動子
間の抵抗値をＶＲ１、ポテンショ抵抗器ＶＲの他方の端
子（Ｇライン側）と摺動子間の抵抗値をＶＲ２とする。The resistors R1, R2, R3, R4, r
R1, R2, R3, R4, r1, r2, and VR are resistance values of R1, R2, and potentiometer VR, respectively, and a resistance value between one terminal (Y line side) of the potentiometer VR and a slider. Is VR1, and the resistance value between the other terminal (G line side) of the potentiometer VR and the slider is VR2.
【００１２】また、抵抗器ｒ１、ｒ２の抵抗値、及び、
ポテンショ抵抗器ＶＲの抵抗値は抵抗器Ｒ１、Ｒ２、Ｒ
３、Ｒ４の抵抗値に比較し、十分小さく設定してあるも
のとする。Also, the resistance values of the resistors r1 and r2, and
The resistance value of the potentiometer VR is determined by resistors R1, R2, R
3. It is assumed that the resistance is set sufficiently smaller than the resistance value of R4.
【００１３】さて、通常動作時、電圧Ｖｉｎは式１の様
に摺動子の位置に比例した電圧となる。この状態は図２
の直線Ａで示す比例帯である。In the normal operation, the voltage Vin is a voltage proportional to the position of the slider as shown in the equation (1). This state is shown in FIG.
Is a proportional band indicated by a straight line A.
【００１４】[0014]
【数１】 (Equation 1)
【００１５】また、ポテンショ抵抗器ＶＲのＹラインが
断線したとき、電圧Ｖｉｎは式２に示すようになるか
ら、Ｖｉｎは略０Ｖになる。When the Y line of the potentiometer VR is disconnected, the voltage Vin becomes as shown in the equation 2, so that Vin becomes substantially 0V.
【００１６】[0016]
【数２】 (Equation 2)
【００１７】また、ポテンショ抵抗器ＶＲのＴラインが
断線した時、電圧Ｖｉｎは式３の様になる。When the T line of the potentiometer VR is disconnected, the voltage Vin becomes as shown in Expression 3.
【００１８】[0018]
【数３】 (Equation 3)
【００１９】同様に、ポテンショ抵抗器ＶＲのＧライン
が断線した時、電圧Ｖｉｎは式４に示すようになるから
Ｖｉｎは約Ｅｖになる。Similarly, when the G line of the potentiometer VR is disconnected, Vin becomes approximately Ev because the voltage Vin becomes as shown in equation (4).
【００２０】[0020]
【数４】 (Equation 4)
【００２１】そして、式５において、それぞれの抵抗値
を、式６を満足するような値に設定すると、Ｔラインの
断線時の電圧Ｖｉｎは式７すなわち図２のＢで示す値と
なるから断線時の電圧Ｖｉｎは通常動作時にとり得る値
すなわち図２に示す比例帯からはずれた値となり、Ｔラ
インの断線状態を検出することが出来る。In equation (5), if each of the resistance values is set to a value that satisfies equation (6), the voltage Vin when the T line is disconnected becomes the value shown in equation (7), ie, B in FIG. The voltage Vin at the time becomes a value that can be taken during normal operation, that is, a value outside the proportional band shown in FIG. 2, and the disconnection state of the T line can be detected.
【００２２】[0022]
【数５】 (Equation 5)
【００２３】[0023]
【数６】 (Equation 6)
【００２４】[0024]
【数７】 (Equation 7)
【００２５】また、断線状態に応じて電圧Ｖｉｎが変化
するから、ポテンショ抵抗器ＶＲの断線位置をも検出す
ることが出来る。Further, since the voltage Vin changes according to the disconnection state, the disconnection position of the potentiometer VR can also be detected.
【００２６】[0026]
【発明の効果】この発明に係るモジュトロールモータの
フィードバック抵抗の断線位置検出装置によれば、上述
のように構成したので、フィードバック抵抗の断線状態
はもとより、その断線位置をも検出することが出来る。According to the present invention, the motor according to the present invention
According to the disconnection position detecting device of the feedback resistor, since it is configured as above described, the disconnection state of the feedback resistor as well, it is possible to detect the disconnection position.
【００２７】このため、モジュトロールモータの異常動
作を速やかに防ぐことが可能になる。For this reason, abnormal operation of the mod roll motor can be prevented promptly.
【図１】この発明のモジュトロールモータのフィードバ
ック抵抗の断線位置検出装置の一実施例を示す回路図で
ある。FIG. 1 is a feeder of a mod roll motor of the present invention.
FIG. 2 is a circuit diagram showing an embodiment of a device for detecting a breakage position of a check resistor .
【図２】図１において、オペアンプへの入力電圧を示す
特性図である。FIG. 2 is a characteristic diagram showing an input voltage to an operational amplifier in FIG.
１ 電源 ２ オペアンプ Ｒ１ 抵抗器 Ｒ２ 抵抗器 Ｒ３ 抵抗器 Ｒ４ 抵抗器 ｒ１ 抵抗器 ｒ２ 抵抗器 ＶＲ ポテンショ抵抗 1 power supply 2 operational amplifier R1 resistor R2 resistor R3 resistor R4 resistor r1 resistor r2 resistor VR Potentiometer resistance
Claims (1)
用ポテンショ抵抗器の断線位置を検出する装置であっ
て、回路電源と、差動増幅器と、この差動増幅器の基準
電圧と、前記ポテンショ抵抗器の第１の端子と前記回路
電源の一方の電極間に設けた第１の抵抗器と、前記ポテ
ンショ抵抗器の第２の端子と前記回路電源の他方の電極
間に設けた第２の抵抗器と、前記回路電源の電極間に設
けた直列接続の第３及び第４の抵抗器とからなり、前記
ポテンショ抵抗器の摺動子端子を前記第３及び第４の抵
抗器の接続線路に接続すると共に、この接続線路の電位
を前記差動増幅器に導く様に構成し、前記第１の抵抗
器、第２の抵抗器、第３の抵抗器、及び第４の抵抗器の
抵抗値は、前記ポテンショ抵抗器の断線状態および断線
位置を検出可能に設定されていることを特徴とするモジ
ュトロールモータのフィードバック抵抗の断線位置検出
装置。1. The feedback of a mod roll motor
Device to detect the disconnection position of the potentiometer
Te, a circuit power supply, and a differential amplifier, a reference voltage of the differential amplifier, a pre-Symbol first resistor and the first terminal of the potentiometer resistor provided between one of the electrodes of the circuit power supply, the A second resistor provided between a second terminal of the potentiometer resistor and the other electrode of the circuit power supply; and third and fourth resistors connected in series between the electrodes of the circuit power supply. , the connecting slider terminal of the potentiometer resistor to the third and fourth resistor connection line, configured as guide the potential of the connection line to said differential amplifier, said first resistor
Of the second resistor, the third resistor, and the fourth resistor.
The resistance value indicates the disconnection state and disconnection of the potentiometer.
Position is detectably setting Mogi, wherein Rukoto
Detector of broken position of feedback resistance of control motor .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32628691A JP2703843B2 (en) | 1991-10-09 | 1991-10-09 | Detector of broken position of feedback resistance of mod roll motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32628691A JP2703843B2 (en) | 1991-10-09 | 1991-10-09 | Detector of broken position of feedback resistance of mod roll motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0599997A JPH0599997A (en) | 1993-04-23 |
| JP2703843B2 true JP2703843B2 (en) | 1998-01-26 |
Family
ID=18186074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32628691A Expired - Lifetime JP2703843B2 (en) | 1991-10-09 | 1991-10-09 | Detector of broken position of feedback resistance of mod roll motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2703843B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3381562B2 (en) * | 1997-07-22 | 2003-03-04 | 松下電器産業株式会社 | Potentiometer abnormality detector |
| JP6309332B2 (en) * | 2014-04-18 | 2018-04-11 | リンナイ株式会社 | Resistance detection signal generation circuit for variable resistors |
-
1991
- 1991-10-09 JP JP32628691A patent/JP2703843B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0599997A (en) | 1993-04-23 |
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